A Screening Measure for BPD: The McLean Screening Instrument for Borderline Personality Disorder (MSI-BPD)

Borderline personality disorder (BPD) is a common psychiatric disorder that is often overlooked in treatment settings. This report describes the validation of a new self-report screening measure for DSM-IV BPD--the McLean Screening Instrument for Borderline Personality Disorder (MSI-BPD). Two hundred subjects with treatment histories whose ages ranged from 18 to 59 filled out the MSI-BPD. Each subject was then interviewed, blind to MSI-BPD results, with the BPD module of the Diagnostic Interview for DSM-IV Personality Disorders (DIPD-IV; Zanarini, Frankenburg, Sickel, & Yong, 1996). Of these 200 subjects, 139 (69.5%) met DSM-IV criteria for BPD as assessed by the BPD module of the DIPD-IV and the remaining 61…